Synchronized single electron emission from dynamical quantum dots

Details Synchronized single electron emission from dynamical quantum dots Synchronized single electron emission from dynamical quantum dots

2010-11-11

arxiv.org/abs/1011.2705v2

Appl. Phys. Lett. 97, 252104 (2010)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 3 figures, submitted to APL

Scientific paper

We study synchronized quantized charge pumping through several dynamical quantum dots (QDs) driven by a single time modulated gate signal. We show that the main obstacle for synchronization being the lack of uniformity can be overcome by operating the QDs in the decay cascade regime. We discuss the mechanism responsible for lifting the stringent uniformity requirements. This enhanced functionality of dynamical QDs might find applications in nanoelectronics and quantum metrology.

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